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1. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   in ear- lier surveys). Shipboard survey methods were the same as those used in previous years. The ... previous years appears in Erickson and Hanson (1990), as summarised below. The main features of the ... ), south Indian Ocean (20°E–90°E) and Weddell Sea (20°E–60°W)). The haul-out model developed for ... might have been conservative and had further speculated that a population of 30–40 million crabeater ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

2. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06

   previous season and is the third lowest population size in the 10 years of census data. The chinstrap ... penguin breeding population has been declining for the Past eight years and is at its lowest size in the ... 10 years of study. Gentoo penguin fledging Success was the highest recorded in all the years of study ... weights for this season was the highest recorded in all the years of study. Chinstrap penguins fledge ...

   Meeting Document : WG-EMM-06/P1 : Autor(es): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)

3. CEMP Sites

   , Republic of Cape Hallett (Subarea 88.1) was designated a CEMP site in 2018, with monitoring efforts ... -2020 a monitoring program using standard methods of the CCAMLR Ecosystem Monitoring Program was ... in Princess Elizabeth Land. Data typically submitted one year following season due to access via ... . Located in Princess Elizabeth Land. Data typically submitted one year following season due to access via ...

   Page : Site Section: Science

4. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   ), diet and trophic position (Pinkerton et CCAMLR Science, Vol. 20 (2013): 37–61 37 DIstrIbutIon ... and weighed them, and then returned whole fish frozen below –20°C to the laboratory for analysis ... occur together. Depth was found to be a sig- nificant predictor for the proportion of M. whitsoni ... about 20% heavier for a given length than M. whitsoni. Length of intestine The length of intestines ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

5. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004

   decline over the past five years, and is at its lowest size in the past seven years of study. While the ... seven years. Chinstrap fledging success was higher during the 2003-04 breeding season than in the ... previous season, but lower than the average for the past seven years. Gentoo fledging success in 2003-04 ... past seven years study. Chinstrap penguin diet contained more fish than in other years on average ...

   Meeting Document : WG-EMM-04/5 : Autor(es): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)

6. Parameters for a model of the functional relationships between krill escapement and crabeater seal demographic performance

   sexual maturity was estimated to be 3.8 years. Of 44 annual estimates of historical cohort strength, 16 ... were judged to represent “ good" years for demographic performance, 18 as "poor" years ... , and 10 as "bad" years. Author(s):  P.L. Boveng and J.L. Bengtson (USA) Title:  Parameters ...

   Meeting Document : WG-CEMP-93/04 : Autor(es): P.L. Boveng and J.L. Bengtson (USA)

7. Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)

   report is the CCAMLR season (1 December to 30 November of the following year). 60°E 65°E 70°E 75°E 80 ... in some years IUU catches have exceeded legal catches, resulting in a high level of total removals ... by adjusting the C2 catches by a factor of 1 for the years before 2001, 1.031 for the years 2003 ... –2007, and a linear interpolation between 1 and 1.031 for the years 2001 and 2002. Estimated CPUE ...

   Document : Site Section: Publications

8. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   transmitter frequency. Thus, echo sounders operating at comparatively low frequencies (20-30 kHz) are much ... . Investigations over many years have proved that krill disperses extremely non-uniformly over vast areas in the ... different years and seasons. In the same area at different times, krill can form large concentrations in ... of krill must depend strongly on frequency, especially at comparatively low frequencies (20-40 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Autor(es): Yudanov, K.I.

9. Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998

   ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed with ... recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... regimes identified here as "cope pod years", "salp years" and "transition periods ... during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ...

   Meeting Document : WG-EMM-98/50 : Autor(es): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)

10. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

    tagged fish having at least one tag remaining after one year at liberty; 98.9% after two years at liberty ... ; declining to 94.6% after six years; and to 88.4% after ten years. Comparison of the different loss rate ... periods of up to six years at liberty. The loss rate for double tags had been incorrectly derived and ... -estimated for double tagged fish in the first four years and under-estimated after that. However, the tag ...

    Meeting Document : WG-SAM-11/18 : Autor(es): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

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